Features:Case / Bezel Material: Stainless SteelLeather StrapQuartz MovementMineral CrystalWhite/Silver DialChronograph Function1/10-Second StopwatchRegular TimekeepingAccuracy: ±20 Seconds Per MonthLuminous Hand And IndexDate DisplayScrew Lock BackBuckle Clasp100M Water ResistanceApproximate Case Diameter: 48.5mm×43.8mmApproximate Case Thickness: 11.6mm